People of Dong ethnic group perform during a celebration of traditional Dongnian festival in Guangnan Dong Village of Longsheng Ge Autonomous County, south China's Guangxi Zhuang Autonomous Region, Dec. 28, 2017. Dongnian Festival was held on Thursday during which Dong people gather together to sing and display their costumes. The festival was enlisted as one of the national intangible cultural heritages in 2011. (Xinhua/Huang Yongdan)